20761620

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{379}}^1$

素因数の和:485

約数の個数: 96

約数和(自身を含む): 64350720

約数和(自身を除く): 43589100

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 44, 55, 60, 66, 83, 110, 132, 165, 166, 220, 249, 330, 332, 379, 415, 498, 660, 758, 830, 913, 996, 1137, 1245, 1516, 1660, 1826, 1895, 2274, 2490, 2739, 3652, 3790, 4169, 4548, 4565, 4980, 5478, 5685, 7580, 8338, 9130, 10956, 11370, 12507, 13695, 16676, 18260, 20845, 22740, 25014, 27390, 31457, 41690, 50028, 54780, 62535, 62914, 83380, 94371, 125070, 125828, 157285, 188742, 250140, 314570, 346027, 377484, 471855, 629140, 692054, 943710, 1038081, 1384108, 1730135, 1887420, 2076162, 3460270, 4152324, 5190405, 6920540, 10380810, 20761620]

約数ペア:

[(1, 20761620), (2, 10380810), (3, 6920540), (4, 5190405), (5, 4152324), (6, 3460270), (10, 2076162), (11, 1887420), (12, 1730135), (15, 1384108), (20, 1038081), (22, 943710), (30, 692054), (33, 629140), (44, 471855), (55, 377484), (60, 346027), (66, 314570), (83, 250140), (110, 188742), (132, 157285), (165, 125828), (166, 125070), (220, 94371), (249, 83380), (330, 62914), (332, 62535), (379, 54780), (415, 50028), (498, 41690), (660, 31457), (758, 27390), (830, 25014), (913, 22740), (996, 20845), (1137, 18260), (1245, 16676), (1516, 13695), (1660, 12507), (1826, 11370), (1895, 10956), (2274, 9130), (2490, 8338), (2739, 7580), (3652, 5685), (3790, 5478), (4169, 4980), (4548, 4565)]